foreign policy decisions overseas and that especially afghanistan and iraq. >> reporter: what the younger brother is reported to be saying is consistent with what we heard in the neighborhood about the older brother tamerlan and his disgust with things american and christian. >> he said the bike is a cheap copy off the koran. he said most american wars are excused off the bible. >> reporter: and it also emerged there might be a link to an unsolved murder two years ago. prosecutors said monday that they are investigating whether tamerlan was involved in the brutal murder of three young men, one of whom was his roommate. the three were found with their throats slashed, covered in marijuana and cash. federal agents have been looking at the six-month trip tamerlan took last year to russia at a time that rebel groups there carried out a number of violent attacks in thing dega stan region. last year alone, dagestan last 115 police officers in nearly 300 terror attacks. two years ago this street was obliterated by a car bomb. >> reporter: according to officials, chechnya had nothing to do with t